Analysis of black-startup and islanding capabilities of a combined cycle power plant

Borghetti, Alberto; Bosetti, M.; Nucci, Carlo Alberto; Paolone, Mario; Ciappi, G.; Solari, A.

doi:10.1109/upec.2008.4651614

Cited by 5 publications

(1 citation statement)

References 15 publications

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“…So, whenever the head height and/or flow rate changes, the torque set-point changes until the optimal rotational speed is achieved. Direct MPPT methods reach the power set-point using an iterative seeking control, that is, perturbing the rotational speed and analysing the power output [54][55][56]. Indirect MPPT utilises power curves [57][58][59] or lookup tables [60,61], obtained analytically or by experimental data.…”

Section: Power Take-off System and Controlmentioning

confidence: 99%

The contribution of low‐head pumped hydro storage to grid stability in future power systems

Qudaih

Engel

Truijen

et al. 2022

IET Renewable Power Gen

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The pan-European power grid is experiencing an increasing penetration of Variable Renewable Energy (VRE). The fluctuating and non-dispatchable nature of VRE hinders them in providing the Ancillary Service (AS) needed for the reliability and stability of the grid. Therefore, Energy Storage Systems (ESS) are needed along the VRE. Among the different ESS, a particularly viable and reliable option is Pumped Hydro Storage (PHS), given its cost-effective implementation and considerable lifespan, in comparison to other technologies. Traditional PHS plants with Francis turbines operate at a high head difference. However, not all regions have the necessary topology to make these plants cost-effective and efficient. Therefore, the ALPHEUS project will introduce low-head PHS for regions with a relatively flat topography. In this paper, a grid-forming controlled converter coupled with low-head PHS that can contribute to the grid stability is introduced, emphasising its ability to provide different AS, especially frequency control, through the provision of fast Frequency Containment Reserve (fFCR) as well as synthetic system inertia. This paper is an extended version of the paper "The Contribution of Low-head Pumped Hydro Storage to a successful Energy Transition", which was presented at the 19 th Wind Integration Workshop 2020.

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Section: Power Take-off System and Controlmentioning

confidence: 99%

The contribution of low‐head pumped hydro storage to grid stability in future power systems

Qudaih

Engel

Truijen

et al. 2022

IET Renewable Power Gen

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Restoration Processes after Blackouts

Borghetti

Nucci

Paolone

2013

Handbook of Electrical Power System Dynamics

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Synchronized phasors monitoring during the islanding maneuver of an active distribution network

Borghetti

Nucci

Paolone

et al. 2010

2010 Innovative Smart Grid Technologies (ISGT)

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Abstract-The paper describes the performances of a phasor measurement unit (PMU) prototype based on a synchrophasor estimation algorithm conceived for the monitoring of active distribution networks, as well as its experimental application during some intentional islanding and reconnection tests of an urban medium voltage power network. With respect to typical applications in transmission networks, the use of PMUs in distribution networks requires very low values of total vector error (TVE), which involves particular low values of phase errors of the synchrophasor estimates. These requirements are met by a specifically developed PMU, the characteristics and experimental characterization of which are illustrated in the paper. Three of these PMUs have been then used to monitor experimental tests carried out to assess the capability of a urban distribution network to operate autonomously when fed by a local 80 MW combined-cycle power plant. The information provided by the installed PMUs significantly facilitate the operator maneuvers and appear to be useful for the development of an improved control and management system of the active distribution network.Index Terms-Active distribution networks, islanding maneuver, phasor measurement unit (PMU), synchrophasor uncertainties.

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Analysis of black-startup and islanding capabilities of a combined cycle power plant

Cited by 5 publications

References 15 publications

The contribution of low‐head pumped hydro storage to grid stability in future power systems

The contribution of low‐head pumped hydro storage to grid stability in future power systems

Restoration Processes after Blackouts

Synchronized phasors monitoring during the islanding maneuver of an active distribution network

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